Merge branch 'hkdf' of https://github.com/mikecat/CyberChef
This commit is contained in:
n1474335
commit
6e347742d9
@ -121,6 +121,7 @@
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"Substitute",
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"Derive PBKDF2 key",
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"Derive EVP key",
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"Derive HKDF key",
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"Bcrypt",
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"Scrypt",
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"JWT Sign",
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138
src/core/operations/DeriveHKDFKey.mjs
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138
src/core/operations/DeriveHKDFKey.mjs
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@ -0,0 +1,138 @@
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/**
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* @author mikecat
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* @copyright Crown Copyright 2023
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* @license Apache-2.0
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*/
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import Operation from "../Operation.mjs";
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import Utils from "../Utils.mjs";
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import OperationError from "../errors/OperationError.mjs";
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import CryptoApi from "crypto-api/src/crypto-api.mjs";
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/**
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* Derive HKDF Key operation
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*/
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class DeriveHKDFKey extends Operation {
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/**
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* DeriveHKDFKey constructor
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*/
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constructor() {
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super();
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this.name = "Derive HKDF Key";
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this.module = "Crypto";
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this.description = "A simple Hashed Message Authenticaton Code (HMAC)-based key derivation function (HKDF), defined in RFC5869.";
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this.infoURL = "https://wikipedia.org/wiki/HKDF";
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this.inputType = "ArrayBuffer";
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this.outputType = "string";
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this.args = [
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{
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"name": "Salt",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "Decimal", "Base64", "UTF8", "Latin1"]
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},
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{
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"name": "Info",
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"type": "toggleString",
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"value": "",
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"toggleValues": ["Hex", "Decimal", "Base64", "UTF8", "Latin1"]
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},
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{
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"name": "Hashing function",
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"type": "option",
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"value": [
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"MD2",
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"MD4",
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"MD5",
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"SHA0",
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"SHA1",
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"SHA224",
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"SHA256",
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"SHA384",
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"SHA512",
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"SHA512/224",
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"SHA512/256",
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"RIPEMD128",
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"RIPEMD160",
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"RIPEMD256",
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"RIPEMD320",
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"HAS160",
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"Whirlpool",
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"Whirlpool-0",
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"Whirlpool-T",
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"Snefru"
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],
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"defaultIndex": 6
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},
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{
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"name": "Extract mode",
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"type": "argSelector",
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"value": [
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{
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"name": "with salt",
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"on": [0]
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},
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{
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"name": "no salt",
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"off": [0]
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},
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{
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"name": "skip",
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"off": [0]
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}
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]
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},
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{
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"name": "L (number of output octets)",
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"type": "number",
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"value": 16,
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"min": 0
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},
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];
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}
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/**
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* @param {ArrayBuffer} input
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* @param {Object[]} args
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* @returns {ArrayBuffer}
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*/
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run(input, args) {
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const argSalt = Utils.convertToByteString(args[0].string || "", args[0].option),
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info = Utils.convertToByteString(args[1].string || "", args[1].option),
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hashFunc = args[2].toLowerCase(),
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extractMode = args[3],
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L = args[4],
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IKM = Utils.arrayBufferToStr(input, false),
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hasher = CryptoApi.getHasher(hashFunc),
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HashLen = hasher.finalize().length;
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if (L < 0) {
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throw new OperationError("L must be non-negative");
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}
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if (L > 255 * HashLen) {
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throw new OperationError("L too large (maximum length for " + args[2] + " is " + (255 * HashLen) + ")");
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}
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const hmacHash = function(key, data) {
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hasher.reset();
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const mac = CryptoApi.getHmac(key, hasher);
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mac.update(data);
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return mac.finalize();
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};
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const salt = extractMode === "with salt" ? argSalt : "\0".repeat(HashLen);
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const PRK = extractMode === "skip" ? IKM : hmacHash(salt, IKM);
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let T = "";
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let result = "";
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for (let i = 1; i <= 255 && result.length < L; i++) {
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const TNext = hmacHash(PRK, T + info + String.fromCharCode(i));
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result += TNext;
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T = TNext;
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}
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return CryptoApi.encoder.toHex(result.substring(0, L));
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}
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}
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export default DeriveHKDFKey;
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@ -132,6 +132,7 @@ import "./tests/AESKeyWrap.mjs";
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import "./tests/Rabbit.mjs";
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import "./tests/LevenshteinDistance.mjs";
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import "./tests/SwapCase.mjs";
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import "./tests/HKDF.mjs";
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// Cannot test operations that use the File type yet
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// import "./tests/SplitColourChannels.mjs";
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180
tests/operations/tests/HKDF.mjs
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180
tests/operations/tests/HKDF.mjs
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@ -0,0 +1,180 @@
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/**
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* @author mikecat
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* @copyright Crown Copyright 2023
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* @license Apache-2.0
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*/
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import TestRegister from "../../lib/TestRegister.mjs";
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TestRegister.addTests([
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{
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"name": "HKDF: RFC5869 Test Case 1",
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"input": "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
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"expectedOutput": "3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865",
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"recipeConfig": [
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{
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"op": "From Hex",
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"args": ["None"],
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},
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{
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"op": "Derive HKDF Key",
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"args": [
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{"option": "Hex", "string": "000102030405060708090a0b0c"},
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{"option": "Hex", "string": "f0f1f2f3f4f5f6f7f8f9"},
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"SHA256", "with salt", 42,
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],
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},
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],
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},
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{
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"name": "HKDF: RFC5869 Test Case 2",
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"input": "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f",
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"expectedOutput": "b11e398dc80327a1c8e7f78c596a49344f012eda2d4efad8a050cc4c19afa97c59045a99cac7827271cb41c65e590e09da3275600c2f09b8367793a9aca3db71cc30c58179ec3e87c14c01d5c1f3434f1d87",
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"recipeConfig": [
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{
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"op": "From Hex",
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"args": ["None"],
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},
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{
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"op": "Derive HKDF Key",
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"args": [
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{"option": "Hex", "string": "606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeaf"},
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{"option": "Hex", "string": "b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"},
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"SHA256", "with salt", 82,
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],
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},
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],
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},
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{
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"name": "HKDF: RFC5869 Test Case 3",
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"input": "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
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"expectedOutput": "8da4e775a563c18f715f802a063c5a31b8a11f5c5ee1879ec3454e5f3c738d2d9d201395faa4b61a96c8",
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"recipeConfig": [
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{
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"op": "From Hex",
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"args": ["None"],
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},
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{
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"op": "Derive HKDF Key",
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"args": [
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{"option": "Hex", "string": ""},
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{"option": "Hex", "string": ""},
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"SHA256", "with salt", 42,
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],
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},
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],
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},
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{
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"name": "HKDF: RFC5869 Test Case 4",
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"input": "0b0b0b0b0b0b0b0b0b0b0b",
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"expectedOutput": "085a01ea1b10f36933068b56efa5ad81a4f14b822f5b091568a9cdd4f155fda2c22e422478d305f3f896",
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"recipeConfig": [
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{
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"op": "From Hex",
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"args": ["None"],
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},
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{
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"op": "Derive HKDF Key",
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"args": [
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{"option": "Hex", "string": "000102030405060708090a0b0c"},
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{"option": "Hex", "string": "f0f1f2f3f4f5f6f7f8f9"},
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"SHA1", "with salt", 42,
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],
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},
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],
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},
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{
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"name": "HKDF: RFC5869 Test Case 5",
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"input": "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f",
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"expectedOutput": "0bd770a74d1160f7c9f12cd5912a06ebff6adcae899d92191fe4305673ba2ffe8fa3f1a4e5ad79f3f334b3b202b2173c486ea37ce3d397ed034c7f9dfeb15c5e927336d0441f4c4300e2cff0d0900b52d3b4",
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"recipeConfig": [
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{
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"op": "From Hex",
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"args": ["None"],
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},
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{
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"op": "Derive HKDF Key",
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"args": [
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{"option": "Hex", "string": "606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeaf"},
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{"option": "Hex", "string": "b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"},
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"SHA1", "with salt", 82,
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],
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},
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],
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},
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{
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"name": "HKDF: RFC5869 Test Case 6",
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"input": "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
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"expectedOutput": "0ac1af7002b3d761d1e55298da9d0506b9ae52057220a306e07b6b87e8df21d0ea00033de03984d34918",
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"recipeConfig": [
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{
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"op": "From Hex",
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"args": ["None"],
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},
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{
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"op": "Derive HKDF Key",
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"args": [
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{"option": "Hex", "string": ""},
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{"option": "Hex", "string": ""},
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"SHA1", "with salt", 42,
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],
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},
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],
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},
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{
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"name": "HKDF: RFC5869 Test Case 7",
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"input": "0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c",
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"expectedOutput": "2c91117204d745f3500d636a62f64f0ab3bae548aa53d423b0d1f27ebba6f5e5673a081d70cce7acfc48",
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"recipeConfig": [
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{
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"op": "From Hex",
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"args": ["None"],
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},
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{
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"op": "Derive HKDF Key",
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"args": [
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{"option": "Hex", "string": ""},
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{"option": "Hex", "string": ""},
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"SHA1", "no salt", 42,
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],
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},
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],
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},
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{
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"name": "HKDF: RFC5869 Test Case 1 with skip extract",
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"input": "077709362c2e32df0ddc3f0dc47bba6390b6c73bb50f9c3122ec844ad7c2b3e5",
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"expectedOutput": "3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865",
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"recipeConfig": [
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{
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"op": "From Hex",
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"args": ["None"],
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},
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{
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"op": "Derive HKDF Key",
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"args": [
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{"option": "Hex", "string": ""},
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{"option": "Hex", "string": "f0f1f2f3f4f5f6f7f8f9"},
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"SHA256", "skip", 42,
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],
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},
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],
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},
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{
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"name": "HKDF: too large L",
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"input": "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b",
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"expectedOutput": "L too large (maximum length for SHA256 is 8160)",
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"recipeConfig": [
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{
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"op": "From Hex",
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"args": ["None"],
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},
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{
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"op": "Derive HKDF Key",
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"args": [
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{"option": "Hex", "string": "000102030405060708090a0b0c"},
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{"option": "Hex", "string": "f0f1f2f3f4f5f6f7f8f9"},
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"SHA256", "with salt", 8161,
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],
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},
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],
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},
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]);
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Block a user